14426+1929 HU 575 AB
14h 42m 33.63s +19° 28' 46.9" P.A. 284.00 sep 0.4 mag 9.77,10.05 Sp M0 dist. 21.58 pc (70.39 l.y.)
Coord 2000 |
14426+1929 |
|
Discov num |
HU 575 |
|
Comp |
AB |
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Coord arcsec 2000 |
14 42 33.63 +19 28 46.9 |
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Date first |
1902 |
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Date last |
2017 |
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Obs |
160 |
|
Pa first |
171 |
|
Pa last |
284.2 |
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P.A. Now (θ) |
39.7° |
|
Sep first |
0.7 |
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Sep last |
0.355 |
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Sep. Now (ρ) |
0.413" |
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Mag pri |
9.77 |
|
Mag sec |
10.05 |
|
delta mag (ΔM) |
0.28 |
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Spectral class |
M0 (red) |
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Pri motion ra |
-247 |
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Sec motion ra |
|
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Pri motion dec |
-174 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
14426+1929 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
14 42 34 +19 28 47 |
HU 575 AB |
2017 |
160 |
284 |
0.4 |
9.77 |
10.05 |
0.28 |
Y |
<=== |
Show |
|
|
14 42 34 +19 28 47 |
LDS 968 AB,C |
2016 |
14 |
309 |
135.2 |
9.25 |
10.28 |
1.03 |
|
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Bootes |
|
HIP |
71914 |
|
Tycho2 |
1480-00302-1 |
|
ADS |
9352 |
|
GL |
Wo 9490B |
|
BD |
BD+20 3010 |
|
Distance |
21.58 |
|
Distance ly |
70.39 |
|
ORBITAL ELEMENTS
Period (P) | 51.7y | |
Periastron (T) | 1982y | |
Semi-major axis (a) | 0.64a | |
Eccentricity (e) | 0.09 | |
Inclination (i) | 120° | |
Longitude of periastron (ω) | 204° | |
Node (Ω) | 178° | |
Notes | n | |
Reference | Sod1999 | |
Equinox | 2000 | |
Last observation | | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
189.9 |
0.637 |
2001 |
186.5 |
0.660 |
2002 |
183.3 |
0.677 |
2003 |
180.3 |
0.688 |
2004 |
177.3 |
0.692 |
2005 |
174.3 |
0.690 |
2006 |
171.3 |
0.683 |
2007 |
168.2 |
0.669 |
2008 |
164.9 |
0.650 |
2009 |
161.5 |
0.625 |
2010 |
157.6 |
0.596 |
2011 |
153.4 |
0.563 |
2012 |
148.6 |
0.527 |
2013 |
143.1 |
0.489 |
2014 |
136.7 |
0.451 |
2015 |
129.1 |
0.413 |
2016 |
120.0 |
0.380 |
2017 |
109.4 |
0.353 |
2018 |
97.3 |
0.335 |
2019 |
84.3 |
0.329 |
2020 |
71.4 |
0.336 |
2021 |
59.3 |
0.354 |
2022 |
48.8 |
0.380 |
2023 |
39.7 |
0.413 |
2024 |
32.0 |
0.447 |
2025 |
25.4 |
0.482 |
2026 |
19.7 |
0.513 |
2027 |
14.6 |
0.541 |
2028 |
9.9 |
0.563 |
2029 |
5.6 |
0.578 |
2030 |
1.4 |
0.586 |
2031 |
357.3 |
0.586 |
2032 |
353.1 |
0.578 |
2033 |
348.7 |
0.561 |
2034 |
344.0 |
0.537 |
2035 |
338.8 |
0.507 |
2036 |
332.8 |
0.471 |
2037 |
325.9 |
0.432 |
2038 |
317.5 |
0.393 |
2039 |
307.4 |
0.357 |
2040 |
295.1 |
0.327 |
2041 |
281.0 |
0.309 |
2042 |
265.9 |
0.307 |
2043 |
251.3 |
0.320 |
2044 |
238.5 |
0.347 |
2045 |
227.7 |
0.382 |
2046 |
218.9 |
0.424 |
2047 |
211.8 |
0.467 |
2048 |
205.8 |
0.509 |
2049 |
200.7 |
0.549 |
2050 |
196.3 |
0.586 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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